Text in book Levin, Golan ; Yarin, Paul. – «Bringing sketching tools to keychain computers with an acceleration-based interface». – Proceedings of the CHI 99 conference on Human factors in computing systems : the CHI is the limit. – New York : ACM Press, 1999. – P. [].
Part of Web site Levin, Golan ; Yarin, Paul. – «Bringing sketching tools to keychain computers with an acceleration-based interface». – Golan's old wee homepage. {{acg.media.mit.edu}}